Home / 1,018,850.40-1,527,303.60-378,982.80

Finding the Fourth Proportional to 1,018,850.40, 1,527,303.60 and 378,982.80

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Solution

The fourth proportional to 1,018,850.40, 1,527,303.60 and 378,982.80 is: 568,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,850.40 : 1,527,303.60 = 378,982.80 : x
  2. Step 2: Convert to fraction form
    1,018,850.40/1,527,303.60 = 378,982.80/x
  3. Step 3: Cross multiply
    1,018,850.40x = 1,527,303.60 × 378,982.80
  4. Step 4: Simplify right side
    1,018,850.40x = 578,821,794,778.08
  5. Step 5: Solve for x
    x = 578,821,794,778.08/1,018,850.40
  6. Step 6: Final answer
    x = 568,112.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.